Texas Instruments AMC1203 Evaluation Module AMC1203EVM AMC1203EVM 데이터 시트
제품 코드
AMC1203EVM
Power-Supplies
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4
Power-Supplies
J2 provides access to the +5 VA for the V
DD
2 supply. All power to the board should be sourced from a
well-regulated, linear supply that has current limiting capabilities. Power is to be applied through J2.
describes the pinout for J2.
Table 1. J2: Power Supply and Digital Outputs
Signal
Pin Number
Signal
Ground
1
2
Not used
4.5 to 5.5 V
DD
2 supply
3
4
Not used
Ground
5
6
Optional MCLK output
MCLK default
7
8
MDAT default
Optional MDAT output
9
For standalone operation, power sources can also be applied via a mating connector to J2, and the digital
output data stream can be wired directly to an FPGA or other digital filter module for further processing.
Refer to
output data stream can be wired directly to an FPGA or other digital filter module for further processing.
Refer to
or the schematic appended to the end of this document for additional details.
5
EVM Set-up and Operation
This section describes the general operation of the AMC1203EVM.
5.1
Isolated Power and Analog Inputs: J1 and J4
The isolated power input to the AMC1203EVM printed circuit board (PCB) can be applied directly to J1,
pins 1 and 2.
pins 1 and 2.
lists the details of J1.
Table 2. J1: Isolated Power
Pin Number
Signal
Description
J1.1
ISOGND
Connection to the AMC1203 GND1 pin
J1.2
5 V
ISO
Connection to the AMC1203 VDD1 terminal
The analog input to the AMC1203EVM PCB can be applied directly to J4 pins 1 and 2.
lists the
details of J4.
CAUTION
Carefully review the
for the limitations of the
analog input range, and ensure that the appropriate analog/digital voltages are
applied before connecting any analog input to the EVM.
applied before connecting any analog input to the EVM.
Table 3. J4: Analog Inputs
Pin Number
Signal
Description
J4.1
CHA+
Noninverting analog input to the AMC1203
J4.2
CHA–
Inverting input to the AMC1203
4
AMC1203EVM
SBAU170 – August 2010
Copyright © 2010, Texas Instruments Incorporated